CA3066910A1 - Techniques and apparatuses for odd-exponent quadrature amplitude modulation - Google Patents

Techniques and apparatuses for odd-exponent quadrature amplitude modulation Download PDF

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Publication number
CA3066910A1
CA3066910A1 CA3066910A CA3066910A CA3066910A1 CA 3066910 A1 CA3066910 A1 CA 3066910A1 CA 3066910 A CA3066910 A CA 3066910A CA 3066910 A CA3066910 A CA 3066910A CA 3066910 A1 CA3066910 A1 CA 3066910A1
Authority
CA
Canada
Prior art keywords
bits
modulation constellation
odd
constellation
exponent modulation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CA3066910A
Other languages
English (en)
French (fr)
Inventor
Tuhin Subhra Chakraborty
Ashutosh Deepak Gore
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of CA3066910A1 publication Critical patent/CA3066910A1/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/345—Modifications of the signal space to allow the transmission of additional information
    • H04L27/3461—Modifications of the signal space to allow the transmission of additional information in order to transmit a subchannel
    • H04L27/3483—Modifications of the signal space to allow the transmission of additional information in order to transmit a subchannel using a modulation of the constellation points
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0057—Block codes
    • H04L1/0058—Block-coded modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/3405—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
    • H04L27/3416—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power in which the information is carried by both the individual signal points and the subset to which the individual points belong, e.g. using coset coding, lattice coding, or related schemes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/3488—Multiresolution systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Error Detection And Correction (AREA)
CA3066910A 2017-07-21 2018-05-21 Techniques and apparatuses for odd-exponent quadrature amplitude modulation Pending CA3066910A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US15/656,580 US10116484B1 (en) 2017-07-21 2017-07-21 Techniques and apparatuses for odd-exponent quadrature amplitude modulation
US15/656,580 2017-07-21
PCT/US2018/033651 WO2019018053A1 (en) 2017-07-21 2018-05-21 QUADRATURE AMPLITUDE MODULATION TECHNIQUES AND APPARATUSES WITH IMPERATIVE EXPOSURE

Publications (1)

Publication Number Publication Date
CA3066910A1 true CA3066910A1 (en) 2019-01-24

Family

ID=62631166

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3066910A Pending CA3066910A1 (en) 2017-07-21 2018-05-21 Techniques and apparatuses for odd-exponent quadrature amplitude modulation

Country Status (7)

Country Link
US (1) US10116484B1 (enExample)
EP (1) EP3656101B1 (enExample)
JP (1) JP7412327B2 (enExample)
KR (1) KR102636764B1 (enExample)
CN (1) CN110915178B (enExample)
CA (1) CA3066910A1 (enExample)
WO (1) WO2019018053A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10425272B2 (en) 2017-07-21 2019-09-24 Qualcomm Incorporated Techniques and apparatuses for odd-exponent quadrature amplitude modulation parity bit selection
US12294479B2 (en) * 2022-09-16 2025-05-06 Qualcomm Incorporated Non-square quadrature amplitude modulation in wireless communication systems

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7379504B2 (en) * 2001-10-09 2008-05-27 Broadcom Corporation Optimal trellis code design for QPSK and higher order quadrature amplitude modulations
KR100413744B1 (en) * 2003-06-23 2004-01-03 Tae Hoon Kim Method and apparatus for hard decision demodulation of qam
WO2006002550A1 (en) * 2004-07-07 2006-01-12 Nortel Networks Limited System and method for mapping symbols for mimo transmission
CN101218773B (zh) * 2005-05-04 2012-08-29 松下电器产业株式会社 用于16正交幅度调制方案的信号空间扩展方法和装置
EP2282470A1 (en) * 2009-08-07 2011-02-09 Thomson Licensing Data reception using low density parity check coding and constellation mapping
US9763246B2 (en) * 2012-06-12 2017-09-12 Qualcomm Incorporated Transport block size determination in new carrier type in LTE
JP5775105B2 (ja) * 2013-03-04 2015-09-09 日本電信電話株式会社 受動光通信網における送信装置／方法及び受信装置／方法
JP6000166B2 (ja) * 2013-03-05 2016-09-28 三菱電機株式会社 尤度生成回路および尤度生成方法
US9337935B2 (en) * 2013-09-08 2016-05-10 Tyco Electronics Subsea Communications Llc Coded modulation for small step-size variable spectral efficiency
US20150128004A1 (en) * 2013-11-05 2015-05-07 Broadcom Corporation Constellation mapping for communication systems
JP6336777B2 (ja) 2014-02-26 2018-06-06 日本放送協会 送信装置、受信装置、チップ及びデジタル放送システム
KR102021314B1 (ko) 2015-05-15 2019-09-16 한국전자통신연구원 비정방 직교진폭변조 방식의 연판정 복조 장치 및 방법
US9602232B2 (en) * 2015-05-19 2017-03-21 Samsung Electronics Co., Ltd. Transmitting apparatus and mapping method thereof
US9667459B1 (en) * 2016-03-16 2017-05-30 Muhammad Ahsan Naim Selective mapping of coded multi-channel transmission
US11272380B2 (en) * 2016-12-13 2022-03-08 Qualcomm Incorporated Methods and apparatus for managing code block interleaving
US10469158B2 (en) * 2017-02-14 2019-11-05 Qualcomm Incorporated Narrowband time-division duplex frame structure for narrowband communications

Also Published As

Publication number Publication date
EP3656101B1 (en) 2023-05-31
CN110915178B (zh) 2022-08-16
US10116484B1 (en) 2018-10-30
JP2020527902A (ja) 2020-09-10
EP3656101A1 (en) 2020-05-27
WO2019018053A1 (en) 2019-01-24
KR20200026903A (ko) 2020-03-11
KR102636764B1 (ko) 2024-02-14
JP7412327B2 (ja) 2024-01-12
CN110915178A (zh) 2020-03-24
BR112020000789A2 (pt) 2020-07-14

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